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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SD_SOURCE_UI_SIDEBAR_MASTERPAGECONTAINERFILLER_HXX
#define INCLUDED_SD_SOURCE_UI_SIDEBAR_MASTERPAGECONTAINERFILLER_HXX
#include <memory>
#include "MasterPageContainer.hxx"
#include "MasterPageDescriptor.hxx"
#include <tools/AsynchronousTask.hxx>
namespace sd {
class TemplateScanner;
class TemplateEntry;
}
namespace sd::sidebar {
/** Fill a MasterPageContainer with information about the available master
pages. These are provided by one default page and from the existing
Impress templates. This is done asynchronously.
*/
class MasterPageContainerFiller
: public ::sd::tools::AsynchronousTask
{
public:
class ContainerAdapter
{
public:
virtual MasterPageContainer::Token PutMasterPage (
const SharedMasterPageDescriptor& rpDescriptor) = 0;
/** This method is called when all Impress templates have been added
to the container via the PutMasterPage() method.
*/
virtual void FillingDone() = 0;
protected:
~ContainerAdapter() {}
};
explicit MasterPageContainerFiller (ContainerAdapter& rContainerAdapter);
virtual ~MasterPageContainerFiller();
/** Run the next step of the task. After HasNextStep() returns false
this method should ignore further calls.
*/
virtual void RunNextStep() override;
/** Return <TRUE/> when there is at least one more step to execute.
When the task has been executed completely then <FALSE/> is
returned.
*/
virtual bool HasNextStep() override;
private:
ContainerAdapter& mrContainerAdapter;
// Remember what the next step has to do.
enum State {
INITIALIZE_TEMPLATE_SCANNER,
SCAN_TEMPLATE,
ADD_TEMPLATE,
ERROR,
DONE
} meState;
::std::unique_ptr<TemplateScanner> mpScannerTask;
const TemplateEntry* mpLastAddedEntry;
int mnIndex;
State ScanTemplate();
State AddTemplate();
};
} // end of namespace sd::sidebar
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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